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In situ infrared diffuse reflection reaction system

Product introduction

The in-situ infrared reaction system is a device that uses a Fourier transform infrared spectrometer to evaluate the performance of catalysts or materials in multiple environments, and to perform in-situ evaluation of the performance of catalysts/materials under various conditions. It can conveniently track and identify intermediate states and products in the reaction, providing direct evidence for the investigation of the reaction mechanism of catalytic reaction systems. In situ infrared diffuse reflection is mainly used for characterization of gas-solid catalysis and research on catalytic reactions, such as identification of hydroxyl groups on catalyst surfaces, study of species adsorption states on catalyst surfaces, and characterization of catalyst surface acidity and alkalinity. This reaction system can be applied to vacuum to high-pressure environments at temperatures up to 500 ° C (under vacuum), making it an ideal choice for studying multiphase catalysis, gas-solid interactions, photochemical reactions, and oxidation mechanisms. At present, it has been applied to infrared spectroscopy research on gas-solid interface reactions in the fields of photocatalytic degradation of gas-phase organic compounds and thermal catalysis (CO+H2, CO2+H2).

The reaction tank can be equipped with a high-precision touch screen temperature controller for precise temperature control and heating, while using a cooling circulation device to cool the outside of the reaction tank;

The pool body is mainly made of 316L stainless steel material, with a maximum temperature resistance of 500 ℃ and a pressure resistance of 3Mpa/ Hastelloy alloy material, with a maximum temperature resistance of 800 ℃ and corrosion resistance;

The reaction pool chamber cap has three windows, two of which are infrared windows and the other is a quartz window, used to introduce external light sources (photocatalytic excitation light sources) or as observation windows;

Provide three inlets/outlets for evacuating the tank body and introducing gas, which can form reaction gases such as VOCs and CO2 in the reaction tank. The reaction exhaust gas is first introduced into the safety bottle and then sucked through a specific solution The gas is collected and discharged outdoors, and the flow of each gas is controlled through a mass flow meter. The operation interface of the reaction gas circuit is convenient and friendly, making it easy to operate;